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How do glasses work?

How do glasses work?

According to research, the overwhelming majority of humans on the planet today (for a variety of different reasons) are going to require glasses at some point or another in their lives to help improve their vision – even though contact lenses and laser corrective surgery solutions are becoming more and more effective.

glasses have been around for quite a while now (literally hundreds of years), allowing those with a number of different medical conditions and potential injuries to better see the world around them. Some glasses are designed to help individuals focus on things immediately in their field of view, others bring focus to objects far away, and others still are designed to be used sparingly – like reading glasses – and only when absolutely necessary.

If you're considering getting your hands on a pair of high quality glasses but want to understand how these glasses work before you dive right in – or if you are just generally curious about this technology – let's highlight the basics of glasses right now!

The fundamentals of glasses

The way that glasses work is really rather simple and straightforward – the lenses that go directly in front of your eyes are designed to specifically redirect light from certain distances and certain angles to hit the lenses inside of your eyeballs in different ways, refocusing and adjusting your vision so that you have a better and more clearer view of the world around you.

This is why vision tests are so important. When you sit down to have your vision tested you are going to be exposed to a number of different lens configurations, each of which are designed to be convex, concave, or otherwise altered to shine light from different distances into the lenses of your eyes so that you can better see the objects that you are focusing on.

Those that are dealing with myopia or hyperopia (when the eyeball is too long for the eyeball is too short) have eyeball lenses that do not match up as seamlessly or as effortlessly as with those that have a more "normal" eyeball shape.

These different lenses used in your glasses are going to counteract the shape of your eye and the shape of the lens in your eyeball. By moving forward with the vision testing protocol that your optometrist recommends you will be able to find the perfect configuration for lenses in both of your eyes (which may not be shaped identically), restoring perfect vision to you!

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